package com.itheima.service.impl;

import com.itheima.service.UserService;

public class UserServiceImpl implements UserService {

    public void save(int i, int m) {
        System.out.println("user service running..." + i + m);
    }

    public int update() {
        System.out.println("user service running...");
        return 100;
    }

    public void delete() {
        System.out.println("user service running");
//        int i = 1 / 0;

    }
}
